60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package daemon
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import (
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"github.com/docker/docker/image"
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"github.com/docker/docker/runconfig"
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)
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type ContainerCommitConfig struct {
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Pause bool
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Repo string
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Tag string
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Author string
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Comment string
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Config *runconfig.Config
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}
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// Commit creates a new filesystem image from the current state of a container.
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// The image can optionally be tagged into a repository
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func (daemon *Daemon) Commit(container *Container, c *ContainerCommitConfig) (*image.Image, error) {
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if c.Pause && !container.IsPaused() {
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container.Pause()
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defer container.Unpause()
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}
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rwTar, err := container.ExportRw()
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if err != nil {
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return nil, err
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}
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defer func() {
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if rwTar != nil {
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rwTar.Close()
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}
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}()
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// Create a new image from the container's base layers + a new layer from container changes
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var (
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containerID, parentImageID string
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containerConfig *runconfig.Config
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)
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if container != nil {
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containerID = container.ID
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parentImageID = container.ImageID
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containerConfig = container.Config
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}
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img, err := daemon.graph.Create(rwTar, containerID, parentImageID, c.Comment, c.Author, containerConfig, c.Config)
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if err != nil {
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return nil, err
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}
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// Register the image if needed
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if c.Repo != "" {
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if err := daemon.repositories.Tag(c.Repo, c.Tag, img.ID, true); err != nil {
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return img, err
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}
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}
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container.LogEvent("commit")
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return img, nil
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}
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